[flac-dev] Prelease now available

[Janne Hyvärinen]

Minor changes needed for Visual Studio as the version is defined in the 
project files.

Replace 'PACKAGE_VERSION=\"1.3.2\&quot' with 
'PACKAGE_VERSION=\"1.3.3rc1\&quot' in 
src/libFLAC/libFLAC_dynamic.vcproj and libFLAC_static.vcproj. And 
replace 'PACKAGE_VERSION="1.3.2"' with 'PACKAGE_VERSION="1.3.3rc1"' in 
src/libFLAC/libFLAC_dynamic.vcxproj  and libFLAC_static.vcxproj.